Crystals of staurolite, also known as staurotide, a selection of specimens of this crystallized mineral species. Staurolite is a mineral with many collector’s items presented here with a description, one or more photos and sometimes a video. These staurolites are for sale.
It is a silicate, a subgroup of the nesosubsilicates, with the chemical formula (Fe,Mg,Zn,Co)1.5-2Al9(SiO4)4O6(O,OH)2, monoclinic crystal system.